data declaration means a variable which contain data value and it can be declared as integer, float, character, double, boolean (data types).
example:
int r;
char name;
float g;
double k= 23.34;
Yes, it is possible to move a worksheet to open another workbook but not to copy it there. Explanation: Microsoft Excel is a powerful tool for organizing work or business-related things etc.
Answer:
A wave of sound!
Explanation:
sound waves are sound but sound comes in different wavelengths
Answer:
Probably "compress", but these days the common answer is "upload to cloud".
Explanation:
Compressing the files is an easy way to reduce their size, unless most of the size is in already compressed, high-entropy formats (like mp3, jpeg or mp4).
The common compression format is .ZIP - you've probably seen it countless times, but other ways like RAR, 7Z are also popular, while Linux users mostly deal with tar.gz, tar.bz2 or tar.xz
On the other hand, the standard practice these days is to upload the presentation to a cloud service, like GSheets or Office PowerPoint 365, which gets rid of the limits of email filesize, while providing a convenient web-app way to view the presentation without downloading (and it doesn't clutter their inbox space or hard drives)! Alternatively, one other way to email any large file (not just a presentation) includes uploading it to some service like DropBox, GDrive or anything similar.
Answer:
Google Drive
Explanation:
You should be able to download Google Drive, upload the pictures on there and delete them from your gallery. Then you can view them anytime you want.